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this catapult will shoot a 1/2 inch marble 100 feet
The base is a 2x2 foot square with two 3 foot uprights. The uprights are screwed into the inside of the box in the center of the frame.
the uprights have a piece of wood across the top that is 22 inches long. The throwing arm of the catapult is 3 and 1/2 feet long wit ...
the frame is fairly week if there is no extra strength and if there is nothing to compress the arm stress. there is one noodle that is cut ...
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